WO2006054478A1 - 塗料製造方法及び塗料製造システム - Google Patents

塗料製造方法及び塗料製造システム Download PDF

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Publication number
WO2006054478A1
WO2006054478A1 PCT/JP2005/020617 JP2005020617W WO2006054478A1 WO 2006054478 A1 WO2006054478 A1 WO 2006054478A1 JP 2005020617 W JP2005020617 W JP 2005020617W WO 2006054478 A1 WO2006054478 A1 WO 2006054478A1
Authority
WO
WIPO (PCT)
Prior art keywords
paint
tank
raw material
pump
coating material
Prior art date
Application number
PCT/JP2005/020617
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Hidenori Sawada
Masahiko Hiraki
Original Assignee
Kansai Paint Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2004334448A external-priority patent/JP4849795B2/ja
Priority claimed from JP2005001570A external-priority patent/JP4780962B2/ja
Application filed by Kansai Paint Co., Ltd. filed Critical Kansai Paint Co., Ltd.
Priority to AT05806237T priority Critical patent/ATE465802T1/de
Priority to CN2005800352669A priority patent/CN101040013B/zh
Priority to DE602005020966T priority patent/DE602005020966D1/de
Priority to EP05806237A priority patent/EP1813653B1/de
Priority to CA2587174A priority patent/CA2587174C/en
Priority to US11/719,132 priority patent/US8641264B2/en
Publication of WO2006054478A1 publication Critical patent/WO2006054478A1/ja

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/80—Processes for incorporating ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4321—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa the subflows consisting of at least two flat layers which are recombined, e.g. using means having restriction or expansion zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4322—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa essentially composed of stacks of sheets, e.g. corrugated sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/54—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle provided with a pump inside the receptacle to recirculate the material within the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel

Definitions

  • the present invention relates to a paint manufacturing method and a paint manufacturing system.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 57-42324
  • the present invention provides a paint manufacturing method and a paint manufacturing system that exhibit high dispersibility without entraining bubbles, are advantageous in terms of manufacturing cost, and can also improve the cleanability of the implementation equipment. For the purpose.
  • the coating material production method introduces a liquid coating material material to be mixed and dispersed in a tank, sucks the coating material material in the tank by a pump, The sucked paint raw material is allowed to pass through the flow restrictor and then discharged from the discharge port submerged in the paint raw material in the tank, thereby stirring and mixing / dispersing. It is characterized by performing.
  • the pump is installed outside the tank, and the raw material paint in the tank is circulated between the external flow path and the tank via the pump.
  • the pump is submerged in the coating material in the tank.
  • an average flow velocity of the flow path restricting portion is 5 to 100 m / s.
  • the coating material is preferably an aqueous coating material or an oil-based coating material.
  • the flow path restricting portion is configured by arranging 1J a nozzle plate having a plurality of nozzle holes from the upstream side to the downstream side of the coating material flow, and the nozzle holes of adjacent nozzle plates are upstream. It is preferable that the first nozzle hole is formed such that a plurality of the downstream nozzle holes partially face each other.
  • the plurality of nozzle plates having a plurality of nozzle holes are joined from the upstream side to the downstream side of the coating material flow, or are spaced from the upstream side to the downstream side of the coating material flow. It is preferable that they are arranged at predetermined intervals through a cir.
  • the nozzle plate has a sharpened portion at the coating material inflow side end between adjacent nozzle holes.
  • a paint manufacturing system includes a tank for storing paint raw material to be mixed and dispersed, and a paint raw material in the tank by sucking the paint raw material in the tank.
  • a position at which the discharge port is submerged in the coating material in the tank, the pump having a pump that discharges into the material, and a flow passage restrictor interposed between the pump and the discharging port of the coating material It is characterized by being placed in the box.
  • the pump is installed outside the tank, the suction port of the pump is connected to the discharge port of the tank, and the tip of the circulation pipe connected to the discharge port of the pump is connected to the paint raw material. It is preferable to provide the discharge port and provide the flow path restricting part at the front end or in the middle of the circulation pipe.
  • the pump is a submersible pump and is disposed in the tank.
  • the flow restrictor may be formed by a plurality of orifices.
  • the minimum hole diameter of the channel restricting portion is 0.3 to 30 mm.
  • FIG. 1 is a system diagram schematically showing a preferred embodiment of a paint manufacturing system according to the present invention.
  • FIG. 2 is an enlarged cross-sectional view of a flow path restricting portion incorporated in the system of FIG.
  • FIG. 3 is a cross-sectional view taken along the line III-III of the flow restrictor in FIG.
  • FIG. 4 is an enlarged cross-sectional view showing another embodiment of the flow path restricting portion shown in FIG.
  • FIG. 5 is an enlarged cross-sectional view showing still another embodiment of the flow path restricting portion shown in FIG.
  • FIGS. 1 to 5 A preferred embodiment of the present invention will be described below with reference to FIGS. 1 to 5. Nao. Throughout the drawings, similar components are denoted by the same reference numerals, and redundant description may be omitted in the following description.
  • FIG. 1 schematically shows a paint manufacturing system for carrying out the paint manufacturing method according to the present invention. It is a system diagram shown in FIG.
  • the paint production system 1 sucks the paint raw material in the tank 2 for containing the paint raw material to be mixed and dispersed, and discharges it into the paint raw material in the tank 2 through the circulation pipe 6.
  • the pump 3 and the flow passage restricting portion 5 interposed between the pump 3 and the coating material discharge port 4 are disposed at a position where the discharge port 4 is submerged in the coating material in the tank 2. Has been placed.
  • the pump 3 is installed outside the tank 2, the suction port of the pump 3 is connected to the discharge port 2 a of the tank 2, and the tip of the circulation pipe 6 connected to the discharge port of the pump 3 is connected to the end of the circulation pipe 6. It is immersed in the coating material.
  • a flow restrictor 5 is interposed in the middle of the circulation pipe 6.
  • the flow restrictor 5 can also be provided at the tip of the circulation pipe 6.
  • a diaphragm pump can be used as the pump 3, for example.
  • the pump 3 can be a submersible pump and can be disposed in the tank 2.
  • the flow restrictor 5 can be connected to the discharge port of the submersible pump and submerged.
  • the submersible pump can be fixed, for example, by providing a support member (not shown) to the submersible pump and fixing the support member outside the tank 2, or by installing a suction cup or the like on the submersible pump and fixing it in the tank 2 You may do it.
  • the flow path restricting portion 5 is configured by overlapping a plurality of nozzle plates 8 having a plurality of nozzle holes 7 from the upstream side to the downstream side of the coating material flow. Has been.
  • the plurality of nozzle plates 8 ⁇ are connected to each other so that they are not separated from each other.
  • the casing 9 is provided with a cylindrical portion 10 that accommodates the nodule plate 8 and cone-shaped lid portions 12 and 12 that are fixed to both ends of the cylindrical portion 10 with bolts 11.
  • the lid portion 12 includes flanges 12b that are bolted to the cylindrical portion 10 and brought into contact with the nozzle plate 8 and joint portions 12c that connect the pipe 6 to both ends of the cone-shaped portion 12a.
  • reference numeral 13 indicates seal packing
  • broken-line arrows indicate paint flow
  • reference numeral 14 extends in the length direction on the inner peripheral wall of the cylindrical portion 10 to position the nozzle plate 8. Show the positioning ridges to do.
  • Each Nozzle plate 8 has a lattice shape in plan view with the regular arrangement of the Nozzle holes 7 having a rectangular cross-sectional shape in plan view (see FIG. 3).
  • the dimensions of the nose hole 7 The method is the same for all nozzle plates 8..., but the position of the nozzle hole 7 differs between adjacent nozzle plates 8 and 8, and as shown in Figs.
  • the four nozzle holes 7 on the downstream side are arranged so as to partially overlap and communicate with one nozzle hole 7, and the upstream side in the axial direction of the nozzles constituting the flow restrictor 5 A part of the four nozzle holes 7 on the downstream side faces the one nozzle hole 7.
  • two types of throat plates 8 with different positions of the throat holes 7 are alternately stacked and assembled.
  • the nose plate 8 has a sharpened portion 15 in which the cross-sectional shape of the portion that partitions the adjacent nozzle hole 7 and the nozzle hole 7 is a triangular shape with the inflow side as a vertex, and the sharpened portion 15 is Apply additional shearing force to the inflowing paint material.
  • the sharpened portion 15 does not necessarily have to be formed in the entire region between the adjacent nozzle holes 7, 7, but is formed at least at a portion facing the upstream nozzle holes 7.
  • the cross-sectional shape of the part that separates the nozzle holes 7 between the adjacent nozzle holes 7 and the nozzle holes 7 is not limited to the triangular shape in the illustrated example, but a hexagon (see Fig. 5) having a vertex on the inflow side, and a pentagonal square. Or other polygons, or a trapezoid with the inflow side at the top.
  • the nozzle hole 7 may be a tapered nozzle as shown in the figure, or may be a known nozzle hole shape such as a tapered nozzle. Further, the cross-sectional shape perpendicular to the axial direction of the nozzle hole 7 is not limited to the rectangular shape in the illustrated example, and various shapes such as a circle and a triangle can be adopted.
  • FIG. 4 is a longitudinal sectional view showing another embodiment of the nozzle that constitutes the flow path restricting portion.
  • the embodiment shown in FIG. 4 differs from the above embodiment in that a predetermined gap is provided between the nozzle plates 8 by interposing an annular spacer 16 between the adjacent nozzle plates 8.
  • Other configurations are the same as those in the above embodiment.
  • the flow path restricting portion 5 is not particularly limited, such as a force orifice exemplified by a nose in the illustrated example, and can adopt a structure capable of increasing the flow velocity by fitting the flow path.
  • a liquid coating material to be mixed and dispersed is introduced into the tank 2.
  • the paints to be produced include water-based paints, oil-based paints, clear paints, etc.
  • the paint raw materials put into the tank are preliminarily kneaded and pre-dispersed by a bead mill etc. It is an already finished raw material.
  • the paint raw material is a mixture of pigment paste, solvent, additives and the like.
  • the pigment paste is a mixed paste in which secondary particles, which are aggregates of pigments, are dispersed and mixed with primary particles in a color developer such as a resin and have a relatively high viscosity.
  • the solvent is water for a water-based paint and a color former or a vehicle for an oil-based paint.
  • the pump 3 After injecting a predetermined amount of the coating material into the tank 2, the pump 3 is driven. The coating material in the tank 2 is sucked by the pump 3 and is pumped from the pump 3 to the circulation pipe 6. The paint raw material pumped through the circulation pipe 6 passes through the flow restrictor 5 interposed in the circulation pipe 6 and is then submerged in the paint raw material in the tank 2. Erupting from 4
  • the coating material receives a shearing force by repeating compression and expansion as it sequentially passes through the nozzle holes 7 of each nozzle plate 8 at a high speed.
  • the coating material discharged from one nozzle hole 7 on the upstream side is divided and sent to a plurality of adjacent nozzle holes 7 on the downstream side, thereby promoting uniform dispersion and atomization.
  • shearing is promoted by the coating material material flowing into the nozzles constituting the flow restrictor 5 colliding with the sharpened portion 15.
  • the paint raw material for example, lkL
  • a required time for example, 0.3 to 3 hours
  • the pigments, additives, and the like are atomized, and from the homomixer (rotor Z stator type homogenizer). High atomization ability can be demonstrated.
  • the average flow velocity in the flow restrictor 5 is an important factor.
  • the flow rate suitable for atomization is such that the flow rate in the flow restrictor 5 is 2 m / s or more, preferably 5 m / s or more.
  • the average flow velocity in the flow restrictor 5 is better. Or less than lOOm / s considering the viscosity of the paint to be prepared, pump performance, etc.
  • the minimum pore diameter (nozzle hole The minimum hole diameter of 7) is preferably 0.3 to 30 mm.
  • large wings such as paddle blades that rotate at a low speed that does not entrain bubbles by vortex may be arranged in the tank 2.
  • the system described above can be implemented by combining relatively inexpensive devices such as a pump, a flow path restrictor, and piping, and can achieve dispersibility equivalent to or higher than that of an expensive conventional device.
  • relatively inexpensive devices such as a pump, a flow path restrictor, and piping
  • it is possible to perform simple assembly work such as connecting the suction port of pump 3 and the discharge port normally attached to tank 2 to the pipe, and submerging the end of the pipe connected to the discharge port of the pump into the tank. It can be implemented and existing equipment can be used as it is.
  • the above system has an advantage that cleaning is easy because it can be cleaned simply by flowing the cleaning liquid into the nozzle and piping through the pump.
  • the present invention relates to the field of paint production, in particular, the production of water-based paints, good compatibility, the production of paints containing additives, and the atomization of pigment pastes and additives into paint solutions. It can be used for the preparation of paints that are stirred and dispersed and mixed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coating Apparatus (AREA)
  • Nozzles (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
PCT/JP2005/020617 2004-11-18 2005-11-10 塗料製造方法及び塗料製造システム WO2006054478A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT05806237T ATE465802T1 (de) 2004-11-18 2005-11-10 Verfahren und vorrichtung zur herstellung von farbe
CN2005800352669A CN101040013B (zh) 2004-11-18 2005-11-10 涂料制造方法及涂料制造系统
DE602005020966T DE602005020966D1 (de) 2004-11-18 2005-11-10 Verfahren und vorrichtung zur herstellung von farbe
EP05806237A EP1813653B1 (de) 2004-11-18 2005-11-10 Verfahren und vorrichtung zur herstellung von farbe
CA2587174A CA2587174C (en) 2004-11-18 2005-11-10 Paint producing method and paint producing system
US11/719,132 US8641264B2 (en) 2004-11-18 2005-11-10 Paint producing method and paint producing system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004334448A JP4849795B2 (ja) 2004-11-18 2004-11-18 塗料調合方法及び塗料調合システム
JP2004-334448 2004-11-18
JP2005-001570 2005-01-06
JP2005001570A JP4780962B2 (ja) 2005-01-06 2005-01-06 塗料分散方法

Publications (1)

Publication Number Publication Date
WO2006054478A1 true WO2006054478A1 (ja) 2006-05-26

Family

ID=36407021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/020617 WO2006054478A1 (ja) 2004-11-18 2005-11-10 塗料製造方法及び塗料製造システム

Country Status (7)

Country Link
US (1) US8641264B2 (de)
EP (1) EP1813653B1 (de)
AT (1) ATE465802T1 (de)
CA (1) CA2587174C (de)
DE (1) DE602005020966D1 (de)
ES (1) ES2344988T3 (de)
WO (1) WO2006054478A1 (de)

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US20170291154A1 (en) * 2014-03-27 2017-10-12 Turbulent Technologies Ltd. Method and apparatus for reduction of air ingestion during mixing
EP2957338A1 (de) * 2014-06-20 2015-12-23 Vrije Universiteit Brussel Mischen von Flüssigkeiten
CN207124204U (zh) * 2017-08-16 2018-03-20 君泰创新（北京）科技有限公司 用于均匀循环制绒清洗药液的装置
EP4072717A1 (de) * 2019-12-11 2022-10-19 Unibio A/S Statisches mischelement und reaktor mit einem statischen mischelement
US20230415107A1 (en) * 2020-11-12 2023-12-28 Mott Corporation Static mixer assemblies and related methods of fabrication and use

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CA2587174A1 (en) 2006-05-26
ES2344988T3 (es) 2010-09-13
DE602005020966D1 (de) 2010-06-10
EP1813653B1 (de) 2010-04-28
US8641264B2 (en) 2014-02-04
EP1813653A4 (de) 2008-06-11
US20090097352A1 (en) 2009-04-16
EP1813653A1 (de) 2007-08-01

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